When comparing Engine 001 Game Maker vs GameFlow + Unity, the Slant community recommends GameFlow + Unity for most people. In the question“What are the best game engines for beginners and non-programmers?”GameFlow + Unity is ranked 17th while Engine 001 Game Maker is ranked 19th. The most important reason people chose GameFlow + Unity is:

It is almost like talking with Unity naturally. Actions in Unity can be coded using regular English more-so than with other game engines, which makes it much easier for beginners.